Bryant 619REQ018CBMA - EEPROM Error Diagnosis (E0;F4)

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Diagnosis and Solution

EEPROM error diagnosis and solution (E0/F4)

Error Code E0/F4

Malfunction decision conditions Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.

Supposed causes

S Installation mistake

S PCB faulty

Troubleshooting:

Fig. 20 – Troubleshooting

Fig. 21 – Indoor PCB

Fig. 22 – Outdoor PCB

NOTE: Fig. 21 and Fig. 22 are for reference only and may differ from the items on your unit.

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